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Acura CSX. Manual - part 688

−

０２

−

YES

24-69

SRS UNIT CONNECTOR B (28P)

6. Reconnect the negative cable to the battery.

7. Clear the DTC memory.

8. Read the DTC (see page 24-22).

Go to step 9.

Open in the front passenger’s seat belt

tensioner; replace the front passenger’s seat belt
(see page 24-4), then clear the DTC.

9. Turn the ignition switch to LOCK (0). Disconnect the

negative cable from the battery, then wait at least 3
minutes.

10. Disconnect both seat belt buckle tensioner

connectors (see step 8 on page 24-21) and driver’s
seat belt tensioner connector (see step 7 on page
24-21).

11. Disconnect SRS unit connector B (28P) from the

SRS unit (see step 9 on page 24-21).

12. Measure the resistance between SRS unit

connector B (28P) terminals No. 3 and No. 4. There
should be 2.0

3.0

Faulty SRS unit or poor connection at SRS

unit connector B (28P) and the SRS unit. Check the
connection; if the connection is OK, replace the
SRS unit (see page 24-203).

Open in the floor wire harness; replace the

floor wire harness, then clear the DTC.

Wire side of female terminals

Is DT C 22-1x indicated?

Is the r esistance as specif ied?

08/08/21 13:56:56 61SNR030_240_0069

０１

ＳＮＲ９Ａ００Ｋ７９１０００Ｒ２２３ＸＦＡＡＴ００

−

DTC 22-3x (‘‘x’’ can be 0 thru 9 or A thru F):

Special Tools Required

YES

24-70

SRS

070AZ-SNAA200

07SAZ-TB4011A

Short to Another Wire or Decreased
Resistance in the Front Passenger’s Seat Belt
Tensioner

• SRS inflator simulator 07SAZ-TB4011A
• SRS simulator lead K 070AZ-SNAA200

NOTE: Before doing this troubleshooting procedure,
review SRS Precautions and Procedures (see page
24-13), General Troubleshooting Information (see page
24-22), and Battery Terminal Disconnection and
Reconnection (see page 22-68).

1. Clear the DTC memory (see page 24-23).

2. Turn the ignition switch to ON (II), and check that

the SRS indicator comes on for about 6 seconds
and then goes off.

Go to step 3.

Intermittent failure, system is OK at this time.

Go to Troubleshooting Intermittent Failures
(see page 24-24). If another DTC is indicated,
troubleshoot the DTC.

3. Turn the ignition switch to LOCK (0). Disconnect the

negative cable from the battery, then wait at least 3
minutes.

4. Remove the B-pillar lower trim (see page 20-72),

then disconnect the floor wire harness 4P
connector (A) from the front passenger’s seat belt
tensioner.

5. Connect the SRS inflator simulator (2

connectors) and simulator lead K to the floor wire
harness.

Does the SRS indicator stay on, and is DT C 22-3x
indicated?

08/08/21 13:56:56 61SNR030_240_0070

０２

−

YES

24-71

SRS UNIT CONNECTOR B (28P)

6. Reconnect the negative cable to the battery.

7. Clear the DTC memory.

8. Read the DTC (see page 24-22).

Go to step 9.

Short in the front passenger’s seat belt

tensioner; replace the front passenger’s seat belt
(see page 24-4), then clear the DTC.

9. Turn the ignition switch to LOCK (0). Disconnect the

negative cable from the battery, then wait at least 3
minutes.

10. Disconnect both seat belt buckle tensioner

connectors (see step 8 on page 24-21) and driver’s
seat belt tensioner connector (see step 7 on page
24-21).

11. Disconnect SRS unit connector B (28P) from the

SRS unit (see step 9 on page 24-21).

12. Disconnect the simulator lead from the floor wire

harness.

13. Measure the resistance between SRS unit

connector B (28P) terminals No. 3 and No. 4. There
should be an open circuit or at least 1 M

Faulty SRS unit or poor connection at SRS

unit connector B (28P) and the SRS unit. Check the
connection; if the connection is OK, replace the
SRS unit (see page 24-203).

Short in the floor wire harness; replace the

floor wire harness, then clear the DTC.

Wire side of female terminals

Is DT C 22-3x indicated?

Is the r esistance as specif ied?

08/08/21 13:56:56 61SNR030_240_0071

０１

ＳＮＲ９Ａ００Ｋ７９１０００Ｒ２２８ＸＦＡＡＴ００

−

DTC 22-8x (‘‘x’’ can be 0 thru 9 or A thru F):

Special Tools Required

YES

24-72

SRS

070AZ-SNAA200

07SAZ-TB4011A

Short to Power in the Front Passenger’s Seat
Belt Tensioner

• SRS inflator simulator 07SAZ-TB4011A
• SRS simulator lead K 070AZ-SNAA200

1. Clear the DTC memory (see page 24-23).

2. Turn the ignition switch ON (II), and check that the

SRS indicator comes on for about 6 seconds and
then goes off.

Go to step 3.

Intermittent failure, system is OK at this time.

Go to Troubleshooting Intermittent Failures
(see page 24-24). If another DTC is indicated,
troubleshoot the DTC.

3. Turn the ignition switch to LOCK (0). Disconnect the

negative cable from the battery, then wait at least 3
minutes.

4. Remove the B-pillar lower trim (see page 20-72),

then disconnect the floor wire harness 4P
connector (A) from the front passenger’s seat belt
tensioner.

5. Connect the SRS inflator simulator (2

connectors) and simulator lead K to the floor wire
harness.

6. Reconnect the negative cable to the battery.

7. Clear the DTC memory.

Does the SRS indicator stay on, and is DT C 22-8x
indicated?

08/08/21 13:56:57 61SNR030_240_0072

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